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Applied Physics Practice Test 10

Laser in Physics MCQ (Multiple Choice Questions) PDF - 10

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Laser in Physics MCQ Questions PDF Download: Quiz 10

MCQ 46: The potential energy source for inducing fusion reaction is

A) x-ray
B) laser
C) ultraviolet
D) microwave

MCQ 47: The law stating that "force is directly proportional to product of charges and inversely proportional to the square of separation between them" is called

A) newton's law
B) coulombs law
C) gauss's law
D) &Ohm's law

MCQ 48: Square coil of side 16 cm having 200 turns rotating in magnetic field of 0.05 T with peak EMF of 12 V will produce angular velocity of

A) 47 rad s-1
B) 49 rad s-1
C) 42 rad s-1
D) 48 rad s-1

MCQ 49: During x-ray formation, if the voltage is increased, then

A) min wave length decreases
B) min wave length increases
C) intensity decreases
D) intensity increases

MCQ 50: 1 GHz of frequency is equal to

A) 107 Hz
B) 107 Hz
C) 109 Hz
D) 10-9 Hz

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